Directions: The following questions are accompanied by two statements (I) and (II). You have to determine which statements(s) is/are sufficient/necessary to answer the following question.
On a journey, Mohan drove from City P to city Q to city R. His average speed for the whole journey was 26 km/hr. Find the average speed on his journey from city Q to city R.
I: Average speed during the journey from city P to city Q is 16 km/hr.
II: The total time taken for the entire journey is 4 hours.
III: Ratio of distance traveled while going from P to Q and Q to R is 4 : 9.
1
Only II and III
2
Any two of them
3
only I and II
4
All of them
5
None of the above